Matching Pairs Showing PurposeOnline version 12345 by ASDFGHJKLÑ C.C. 1 Purpose Clauses are used to 2 When the subject of the two clauses is the same, 3 When the adverb clause comes first i 4 Modal Verbs 5 Subordinators show 6 Purpose clauses 7 Subordinators that introduce purpose include so that and in other that , where that is often omitted after so. In other that is not used very often. Tell the reason for the action or state in the main clause how the main clause and adverb clause are related it is followed by a comma Usually appear after the main clause purpose is more commonly shown with to or in order (not) to. A verb follows the expression not a noun. are often used in purpose clauses, examples are: can, could, would, be able to.